/**
  ******************************************************************************
  * @file    digital_io.c
  * @author  WI6LABS
  * @version V1.0.0
  * @date    16-September-2016
  * @brief   Provide an interface to configure hw ios
  *
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
  *
  * Redistribution and use in source and binary forms, with or without modification,
  * are permitted provided that the following conditions are met:
  *   1. Redistributions of source code must retain the above copyright notice,
  *      this list of conditions and the following disclaimer.
  *   2. Redistributions in binary form must reproduce the above copyright notice,
  *      this list of conditions and the following disclaimer in the documentation
  *      and/or other materials provided with the distribution.
  *   3. Neither the name of STMicroelectronics nor the names of its contributors
  *      may be used to endorse or promote products derived from this software
  *      without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
  ******************************************************************************
  */

#include "digital_io.h"
#include "stm8_def.h"
#include "hw_config.h"

#ifdef __cplusplus
extern "C"
{
#endif

  /**
  * @brief  This function initialize the IO
  * @param  port : one of the gpio port
  * @param  pin : one of the gpio pin
  * @param  mode : one of the gpio mode (cf stm8s_gpio.h)
  * @retval None
  */
  void digital_io_init(PinName pin, GPIO_Mode_TypeDef mode, uint32_t pull)
  {
    GPIO_TypeDef *port = get_GPIO_Port(STM_PORT(pin));
    GPIO_Init(port, STM_GPIO_PIN(pin), mode);
  }

  /**
  * @brief  This function set a value to an IO
  * @param  port : one of the gpio port
  * @param  pin : one of the gpio pin
  * @param  val : 0 to set to low, any other value to set to high
  * @retval None
  */
  void digital_io_write(GPIO_TypeDef *port, GPIO_Pin_TypeDef pin, uint32_t val)
  {
#if defined(STM8Sxx)
    if (val)
    {
      GPIO_WriteHigh(port, pin);
    }
    else
    {
      GPIO_WriteLow(port, pin);
    }
#elif defined(STM8Lxx)
  if (val)
  {
    GPIO_SetBits(port, pin);
  }
  else
  {
    GPIO_ResetBits(port, pin);
  }
#endif
  }

  /**
  * @brief  This function set a value to an IO
  * @param  port : one of the gpio port
  * @param  pin : one of the gpio pin
  * @retval The pin state (LOW or HIGH)
  */
  uint32_t digital_io_read(GPIO_TypeDef *port, GPIO_Pin_TypeDef pin)
  {
#if defined(STM8Sxx)
    return (uint32_t)GPIO_ReadInputPin(port, pin);
#elif defined(STM8Lxx)
    return (uint32_t)GPIO_ReadInputDataBit(port, pin);
#endif
  }

#ifdef __cplusplus
}
#endif

/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
